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Sliding rail type screen shielding device

A shielding device, slide rail type technology, applied in the field of slide rail screen shielding device, can solve the problems of shielding, safety and stability, etc., reduce the workload of repeated disassembly and assembly and exposure dose, and meet the requirements of rapid installation and demolition, strong stability effect

Pending Publication Date: 2021-06-22
CNNC NUCLEAR POWER OPERATION MANAGEMENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Based on this, aiming at the problem that the existing shielding device cannot meet the comprehensive needs of shielding, safety, stability, convenience and avoiding repeated disassembly and assembly, a sliding rail type screen shielding device is provided, which slide rail type screen shielding device It can meet the comprehensive needs of shielding, safety, stability, convenience and avoid repeated disassembly and assembly, reduce the exposure dose of workers, and realize the optimal management of radiation protection in power stations

Method used

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  • Sliding rail type screen shielding device
  • Sliding rail type screen shielding device
  • Sliding rail type screen shielding device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0082] see figure 1 , a sliding rail type screen shielding device, including a movable bracket and 12 screen shielding modules 9 .

[0083] The movable support includes 1 frame 1, 4 slide rails 5, 24 sliders 6, 24 hoisting upper parts 7, 24 hoisting lower parts 8, 2 wall leg parts 4, and 2 bottom legs Component 12, and 2 universal wheels 11.

[0084] The frame 1 is integrally manufactured from several square tubes, including a top beam, a bottom beam, a middle beam, a left side beam and a right side beam, and the top beam, the left side beam, the bottom beam and the right side beam The beams are sequentially connected end to end to form a rectangular frame, and the middle part of the inner cavity of the rectangular frame is provided with a middle beam. Specifically, the wall thickness of the square tube is 3mm; the frame 1 has a length, width, and height of 1100mm×70mm×1500mm; The horizontal center plane of the middle beam is 750mm from the bottom surface of the bottom beam...

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Abstract

The invention particularly relates to a sliding rail type screen shielding device which comprises a movable support and a plurality of screen shielding modules, and the screen shielding modules are slidably hung on the movable support. The sliding rail type screen shielding device provided by the invention can meet the comprehensive requirements of shielding performance, safety, stability, convenience and avoidance of repeated disassembly and assembly, the exposure dose of workers is reduced, and optimal management of radiation protection of a power station is realized.

Description

technical field [0001] The invention belongs to the technical field of nuclear facility radiation protection, and in particular relates to a sliding rail type screen shielding device. Background technique [0002] Almost all the radioactivity in the PWR nuclear power plant comes from the active area of ​​the reactor fuel assembly. With the operation of the nuclear power plant, the corrosion and activation products are continuously deposited on the equipment, valves, and inner walls of the main system and its auxiliary systems, forming some radioactive A point or localized location, often referred to as a radioactive hotspot. The radiation levels of these radioactive hotspots are relatively high and difficult to eliminate. The strong penetrating radiation formed is the main reason for the increase in radiation levels in some workshops or areas of nuclear power plants. Other workers in the vicinity of radioactive hotspots cause small dose accumulations, thereby increasing the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G21F3/00
CPCG21F3/00
Inventor 倪伟陈琛祥李宏强刘杰稂其良朱敖正曾进忠张强黄刚何俊男陈高飞韩毅申雁云侯东
Owner CNNC NUCLEAR POWER OPERATION MANAGEMENT
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